ClassID:

90791

C07C11/167 - CPC Classification

Classification description:

Aliphatic unsaturated hydrocarbons; Alkadienes with four carbon atoms 1, 3-Butadiene

Recent Application in this class:
#1
20260034540
2026-02-05

PROCESSES FOR PRODUCING NITRILES AND PHOSPHORUS-CONTAINING CATALYSTS FOR USE IN SUCH PROCESSES

#2
20250282698
2025-09-11

ANTIFOULANT COMPOSITIONS FOR HIGH-SEVERITY PROCESSING OF VINYLIC MONOMER STREAMS

#3
20250205685
2025-06-26

COMPOSITE OXIDE, PREPARATION METHOD FOR COMPOSITE OXIDE, HYDROGENATION CATALYST AND USE THEREOF

#4
20250084018
2025-03-13

UPGRADING STREAMS COMPRISING C3 AND C4 HYDROCARBONS

#5
20240293804
2024-09-05

1,3-BUTADIENE SYNTHESIS CATALYST, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING 1,3-BUTADIENE

#6
20230312440
2023-10-05

ANTIFOULANT COMPOSITIONS FOR HIGH-SEVERITY PROCESSING OF VINYLIC MONOMER STREAMS

#7
20230271169
2023-08-31

Method for producing a catalyst for oxidative dehydrogenation of butene

#8
20230064093
2023-03-02

SYSTEMS AND METHODS FOR ENHANCING THE EXTRACTIVE SECTION OPERABILITY AND MODIFYING SOLVENT HEAT RECOVERY CYCLE IN THE SEPARATION OF C4 MIXTURES

#9
20230041466
2023-02-09

METHOD FOR PREPARING CERIA-ZIRCONIA COMPOSITE OXIDE, CERIA-ZIRCONIA COMPOSITE OXIDE, CATALYST COMPRISING SAME, AND METHOD FOR PREPARING BUTADIENE

#10
20220340506
2022-10-27

METHOD FOR PRODUCING 1,3-BUTADIENE

#11
20220340504
2022-10-27

Upgrading streams comprising Cand Chydrocarbons

#12
20210323893
2021-10-21

Method to produce C4 olefins from natural gas-derived acetylene

#13
20210238609
2021-08-05

MICROORGANISMS AND METHODS FOR PRODUCING BUTADIENE AND RELATED COMPOUNDS BY FORMATE ASSIMILATION

#14
20210197179
2021-07-01

Catalyst for oxidative dehydrogenation of butene and method for producing the same

#15
20210187485
2021-06-24

Catalyst for oxidative dehydrogenation, method of preparing catalyst, and method of performing oxidative dehydrogenation using catalyst

#16
20210046469
2021-02-18

Method for producing metal complex catalyst, and metal complex catalyst produced by same

#17
20210039075
2021-02-11

Method for producing ferrite-based coated catalyst and method for producing butadiene by using same

#18
20200317589
2020-10-08

Single-stage method of butadiene production

#19
20200199045
2020-06-25

Catalyst, device for manufacturing conjugated diene, and method for manufacturing conjugated diene

#20
20200181043
2020-06-11

System for producing 1,3-butadiene and method of producing 1,3-butadiene using the system

#21
20200079710
2020-03-12

A METHOD FOR THE PRODUCTION OF HIGH PURITY BUTADIENE AND N-BUTENE FROM N-BUTANE USING AN OXIDATIVE DEHYDROGENATION PROCESS IN A CONTINUOUS-FLOW MULTI-LAYER-CATALYST FIXED-BED REACTOR

#22
20200048170
2020-02-13

Zeolitic catalytic conversion of alcohols to olefins

#23
20200039901
2020-02-06

METHOD FOR DECOMMISIONING AND REGENERATING A REACTOR FOR THE OXIDATIVE DEHYDROGENATION OF N-BUTENES

#24
20200010387
2020-01-09

Simplified process for isolating pure 1,3-butadiene

#25
20200001279
2020-01-02

Method for manufacturing zinc ferrite catalyst and zinc ferrite catalyst manufactured thereby

#26
20190337871
2019-11-07

1,3-butadiene separation and recovery method and 1,3-butadiene separation and recovery apparatus

#27
20190337870
2019-11-07

METHOD OF STARTING UP A REACTOR FOR THE OXIDATIVE DEHYDROGENATION OF N-BUTENES

#28
20190329226
2019-10-31

Catalyst for oxidative dehydrogenation, method of preparing catalyst, and method of performing oxidative dehydrogenation using catalyst

#29
20190300871
2019-10-03

MUTANT POLYPEPTIDES AND USES THEREOF

#30
20190299195
2019-10-03

METHOD FOR REGENERATING CATALYST FOR BUTADIENE PRODUCTION

#31
20190299193
2019-10-03

Method of preparing catalyst for oxidative dehydrogenation and method of performing oxidative dehydrogenation using catalyst

#32
20190256442
2019-08-22

Process for the oligomerization of acetylene in the presence of hydrogen and a solid catalyst

#33
20190241481
2019-08-08

Process for producing dienes

#34
20190233351
2019-08-01

Methods and systems for purifying 1,3-butadiene from a C4 hydrocarbon stream

#35
20190201876
2019-07-04

Catalyst system for oxidative dehydrogenation, reactor for oxidative dehydrogenation including catalyst system, and method of performing oxidative dehydrogenation using reactor

#36
20190201874
2019-07-04

Method for producing dehydrogenation catalyst, method for producing unsaturated hydrocarbon, and method for producing conjugated diene

#37
20190169095
2019-06-06

Process for producing butadiene from ethanol, comprising purification of a butadiene-loaded effluent by extractive distillation

#38
20190161419
2019-05-30

Conversion of butanediol into butadiene, with scrubbing using diesters

#39
20190134612
2019-05-09

Ferrite catalyst for oxidative dehydrogenation, method of preparing ferrite catalyst, and method of preparing butadiene using ferrite catalyst

#40
20190118169
2019-04-25

Heterogenized catalyst for acetylene dimerization

#41
20190118166
2019-04-25

Metal oxide catalyst, method for producing same, and apparatus for producing same

#42
20190077731
2019-03-14

Methods for using nitric oxide to inhibit popcorn polymerization during butadiene processing

#43
20190077729
2019-03-14

Hydrogenation method

#44
20190076836
2019-03-14

Ferrite-based catalyst, preparation method therefor, and method for preparing butadiene using same

#45
20190071375
2019-03-07

Method and apparatus for producing 1,3-butadiene

#46
20190070591
2019-03-07

CATALYST FOR CONJUGATED DIOLEFIN PRODUCTION, AND METHOD FOR PRODUCING SAME

#47
20190048366
2019-02-14

MICROORGANISMS AND METHODS FOR THE BIOSYNTHESIS OF BUTADIENE

#48
20190046967
2019-02-14

Catalysts for conversion of 2,3-butanediol-containing fermentation mixture to hydrocarbons

#49
20190039971
2019-02-07

Method for preparing 1,3-butadiene from N-butenes by oxidative dehydrogeneation

#50
20190023642
2019-01-24

Nitroxide hydroxylamine and phenylenediamine combinations as polymerization inhibitors for ethylenically unsaturated monomer processes

#51
20190016649
2019-01-17

Catalytic body coated with metal oxide, method of manufacturing the same, and method of preparing 1,3-butadiene using the same

#52
20180370875
2018-12-27

Methods and systems for producing 1,3-butadiene

#53
20180370869
2018-12-27

Method for producing butadiene from butanediols

#54
20180362419
2018-12-20

Methods for the oxidative dehydrogenation of butene to produce butadiene

#55
20180354872
2018-12-13

METHOD FOR PRODUCING BUTADIENE BY OXIDATIVELY DEHYDROGENATING N-BUTENES

#56
20180346395
2018-12-06

Method for producing butadiene

#57
20180312451
2018-11-01

Process for co-producing C3 olefins, iC4 olefins, nC4 olefins and diolefins, and/or C5 olefins and diolefins

#58
20180297911
2018-10-18

MATERIALS AND METHODS FOR PRODUCING ALKENES AND DERIVATIVES THEREOF

#59
20180290126
2018-10-11

Catalyst for oxidative dehydrogenation and method of preparing the same

#60
20180282246
2018-10-04

Method for producing 1,3-butadiene by dehydrogenating n-butenes, a material flow containing butanes and 2-butenes being provided

#61
20180273446
2018-09-27

Processes and systems for purification of 1,3-butadiene

#62
20180265433
2018-09-20

MULTI-STAGE SELECTIVE HYDROGENATION PROCESS FOR PROCESSING OF BUTADIENE EXTRACTION UNIT

#63
20180258015
2018-09-13

Use of C4 absorber overhead for stripping aldehydes

#64
20180258008
2018-09-13

Integrated method for producing butadiene from butanol

#65
20180215686
2018-08-02

Methods and systems for purifying 1,3-butadiene from a Chydrocarbon stream

#66
20180169628
2018-06-21

CATALYST FOR THE DEHYDROGENATION OF HYDROCARBONS

#67
20180154278
2018-06-07

Distillation device

#68
20180134635
2018-05-17

METHODS FOR PRODUCING ALKENES AND DERIVATIVES THEREOF

#69
20180105479
2018-04-19

Process for preparing 1,3-butadiene from n-butenes by oxidative dehydrogenation

#70
20180104671
2018-04-19

CATALYST FOR 1,3-BUTADIENE PRODUCTION FROM ETHANOL

#71
20180093221
2018-04-05

Butadiene sequestration via sulfur dioxide charged zeolite beds

#72
20180072638
2018-03-15

PROCESS FOR PREPARING 1,3-BUTADIENE FROM N-BUTENES BY OXIDATIVE DEHYDROGENATION

#73
20180065901
2018-03-08

Method for producing conjugated diene

#74
20180030431
2018-02-01

Mutant polypeptides and uses thereof

#75
20180002249
2018-01-04

Process for the dehydration of oxygenated compounds

#76
20180001304
2018-01-04

CATALYST FOR 1,3-BUTADIENE SYNTHESIS, METHOD FOR PRODUCING CATALYST FOR 1,3-BUTADIENE SYNTHESIS, APPARATUS FOR PRODUCING 1,3-BUTADIENE, AND METHOD FOR PRODUCING 1,3-BUTADIENE

#77
20170369400
2017-12-28

Method for producing conjugated diene

#78
20170334809
2017-11-23

Process for preparing 1,3-butadiene from n-butenes by oxidative dehydrogenation

#79
20170327435
2017-11-16

Butadiene production system and butadiene production method

#80
20160355843
2016-12-08

METHODS FOR BIOSYNTHESIZING 1,3 BUTADIENE

#81
20160304852
2016-10-20

Mutant polypeptides and uses thereof

#82
20160251645
2016-09-01

Mutant polypeptides and uses thereof

#83
20160251644
2016-09-01

NOVEL POLYPEPTIDES AND USES THEREOF

#84
20160151769
2016-06-02

Amorphous calcium phosphate catalyst for use in production of 1,3-butadiene and methyl ethyl ketone from 2,3-butanediol, and method of preparing the same

#85
20160040172
2016-02-11

MICROORGANISMS AND METHODS FOR PRODUCING BUTADIENE AND RELATED COMPOUNDS BY FORMATE ASSIMILATION

#86
20150266988
2015-09-24

Rubber composition for tires, tire member, and pneumatic tire

#87
20150133627
2015-05-14

Methods of preparing para-xylene from biomass

#88
20150017696
2015-01-15

RECOMBINANT HOST CELLS AND PROCESSES FOR PRODUCING 1,3-BUTADIENE THROUGH A CROTONOL INTERMEDIATE

#89
20140017744
2014-01-16

Methods of preparing -xylene from biomass

#90
20130102822
2013-04-25

Process for the production of butadiene

#91
20130090509
2013-04-11

Single-step precipitation method of producing magnesia-zirconia complex carrier for catalyst for oxidative dehydrogenation of n-butane, magnesium orthovanadate catalyst supported on magnesia-zirconia complex carrier, and method of producing n-butene and 1,3-butadiene using said catalyst

#92
20130035531
2013-02-07

Reactor for carrying out an autothermal gas-phase dehydrogenation

#93
20130020233
2013-01-24

Processes for catalytically reforming naphtha

#94
20120294776
2012-11-22

Combined carbon dioxide and oxygen process for ethylbenzene dehydrogenation to styrene

#95
20120232320
2012-09-13

Method of producing carrier for catalyst for oxidative dehydrogenation of n-butane, method of producing carrier-supported magnesium orthovanadate catalyst, and method of producing n-butene and 1, 3-butadiene using said catalyst

#96
20120226087
2012-09-06

Process for workup of a stream comprising butene and/or butadiene

#97
20120225466
2012-09-06

Microorganisms and methods for the biosynthesis of butadiene

#98
20120203020
2012-08-09

Multi-component polymerization inhibitors for ethylenically unsaturated monomers

#99
20120197054
2012-08-02

PROCESS AND APPARATUS FOR DEHYDRATING ALKANES WITH EQUALIZATION OF THE PRODUCT COMPOSITION

#100
20120164048
2012-06-28

Process for selective removal of acetylenes from gaseous streams

#101
20120157737
2012-06-21

Reactor for carrying out an autothermal gas-phase dehydrogenation

#102
20120130137
2012-05-24

PRODUCTION PROCESS OF CONJUGATED DIENE

#103
20120123174
2012-05-17

CATALYST FOR SELECTIVE HYDROGENATION OF ACETYLENE COMPOUNDS

#104
20120078026
2012-03-29

Method for production of conjugated diolefin

#105
20120059208
2012-03-08

Modified zinc ferrite catalyst and method of preparation and use

#106
20120045807
2012-02-23

PROCESS FOR PRODUCING CHEMICALS USING MICROBIAL FERMENTATION OF SUBSTRATES COMPRISING CARBON MONOXIDE

#107
20110301392
2011-12-08

VARIATION OF TIN IMPREGNATION OF A CATALYST FOR ALKANE DEHYDROGENATION

#108
20110245568
2011-10-06

Dehydrogenation Reactions of N-Butene to Butadiene

#109
20110172475
2011-07-14

Integrated methods of preparing renewable chemicals

#110
20110171078
2011-07-14

Apparatus For Humidification Of Hydrocarbon Mixtures

#111
20110144400
2011-06-16

HIGHLY POROUS FOAM CERAMICS AS CATALYST CARRIERS FOR THE DEHYDROGENATION OF ALKANES

#112
20110040134
2011-02-17

Process for the production of butadiene

#113
20110034330
2011-02-10

COATED CATALYSTS COMPRISING A MULTIMETAL OXIDE COMPRISING MOLYBDENUM, BISMUTH AND IRON

#114
20110034326
2011-02-10

Coated catalysts comprising a multimetal oxide comprising molybdenum

#115
20110004041
2011-01-06

Method of producing 1,3-butadiene from N-butene using continuous-flow dual-bed reactor

#116
20100298621
2010-11-25

Fractional extraction of butadiene

#117
20100280300
2010-11-04

Mixed manganese ferrite catalysts, method of preparing thereof and method of preparing 1,3-butadiene using thereof

#118
20100249482
2010-09-30

Method of preparing multicomponent bismuth molybdate catalysts comprising four metal components and method of preparing 1,3-butadiene using said catalysts

#119
20100216958
2010-08-26

Methods of Preparing Renewable Butadiene and Renewable Isoprene

#120
20100137664
2010-06-03

Process for 1,3-butadiene separation from a crude C4 stream with acetylene converter

#121
20100126843
2010-05-27

Process for distillatively obtaining pure 1,3-butadiene from crude 1,3-butadiene

#122
20100125161
2010-05-20

Method of preparing multicomponent bismuth molybdate catalysts with controlling pH and a method of preparing 1,3-butadiene using thereof

#123
20100121123
2010-05-13

Zinc ferrite catalysts, method of preparing thereof and method of preparing 1,3-butadiene using thereof

#124
20100099936
2010-04-22

Complex oxide catalyst of Bi/Mo/Fe for the oxidative dehydrogenation of 1-butene to 1,3-butadiene and process thereof

#125
20100022817
2010-01-28

Dehydrogenation reactions of hydrocarbons to alkenes

#126
20090318743
2009-12-24

Combined carbon dioxide and oxygen process for ethylbenzene dehydrogenation to styrene

#127
20090287032
2009-11-19

Method for producing dienes by hydrodimerization

#128
20090234172
2009-09-17

Process of butadiene-1, 3 extraction

#129
20090088594
2009-04-02

Bismuth molybdate-based catalysts, method of preparing thereof and method of preparing 1,3-butadiene using thereof

#130
20090054715
2009-02-26

Method and apparatus for addition of aqueous solutions to high temperature processes

#131
20080228019
2008-09-18

Process for obtaining crude 1,3-butadiene from a Ccut

#132
20080183024
2008-07-31

Method for producing butadiene from n-butane

#133
20080119680
2008-05-22

Method for producing butadiene from n-butane

#134
20080097133
2008-04-24

Method for the production of butadine from n-butane

#135
20070270621
2007-11-22

Method for making industrial chemicals

#136
20070256920
2007-11-08

Separation and Purification Apparatus and Separation and Purification Method of Unsaturated Hydrocarbons

#137
20070244349
2007-10-18

Method for producing butadiene from n-butane

#138
20070179330
2007-08-02

Method for the production of butadiene

#139
20070167661
2007-07-19

Preparation of butadiene

#140
20070161842
2007-07-12

Method for the production of butadiene and 1-butene

#141
20070149840
2007-06-28

Technology to improve yield and capacity of the butadiene extraction facility which uses C4 as feedstock supplied by ethylene plant

#142
20070123738
2007-05-31

Mixture containing 1,3-butadiene and process for producing the same

#143
20070039813
2007-02-22

Method for obtaining crude 1,3-butadiene from a Cfraction

#144
20060241329
2006-10-26

Method for the separation of a crude Ccut

#145
20060235257
2006-10-19

Solvent extraction

#146
20060183953
2006-08-17

Method and apparatus for addition of aqueous solutions to high temperature processes

#147
20050240071
2005-10-27

Method for working up crude 1,3-butadiene

#148
20050203320
2005-09-15

Hydrogenation catalyst and hydrogenation process

#149
20050171311
2005-08-04

Method for the production of butadiene from n-butane

#150
20050010070
2005-01-13

Hydrogenation catalyst and hydrogenation process